diff options
Diffstat (limited to 'lib/support/parse_qtype.c')
-rw-r--r-- | lib/support/parse_qtype.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/lib/support/parse_qtype.c b/lib/support/parse_qtype.c new file mode 100644 index 0000000..d8df07d --- /dev/null +++ b/lib/support/parse_qtype.c @@ -0,0 +1,90 @@ +/* + * parse_qtype.c + */ + +#include "config.h" +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> +#include <fcntl.h> + +#include "quotaio.h" + +#define PARSE_DELIM ":," + +int parse_quota_types(const char *in_str, unsigned int *qtype_bits, + char **err_token) +{ + char *buf, *token, *next, *tmp; + unsigned int qtype = *qtype_bits; + int len, ret = 0; + + if (!in_str) + return 0; + + len = strlen(in_str); + buf = malloc(len + 1); + if (!buf) + return ENOMEM; + strcpy(buf, in_str); + + for (token = buf, next = strtok_r(buf, PARSE_DELIM, &tmp); + token && *token; token = next) { + int not = 0; + char *p = token; + + if (*p == '^') { + not = 1; + p++; + } + if (!strcmp(p, "usr") || !strcmp(p, "usrquota")) { + if (not) + qtype &= ~QUOTA_USR_BIT; + else + qtype |= QUOTA_USR_BIT; + } else if (!strcmp(p, "grp") || !strcmp(p, "grpquota")) { + if (not) + qtype &= ~QUOTA_GRP_BIT; + else + qtype |= QUOTA_GRP_BIT; + } else if (!strcmp(p, "prj") || !strcmp(p, "prjquota")) { + if (not) + qtype &= ~QUOTA_PRJ_BIT; + else + qtype |= QUOTA_PRJ_BIT; + } else { + if (err_token) { + *err_token = malloc(strlen(token) + 1); + if (*err_token) + strcpy(*err_token, token); + } + ret = EINVAL; + goto errout; + } +#ifdef DEBUG_PROGRAM + printf("word: %s\n", token); +#endif + next = strtok_r(NULL, PARSE_DELIM, &tmp); + } + *qtype_bits = qtype; +errout: + free(buf); + return ret; +} + +#ifdef DEBUG_PROGRAM +int main(int argc, char **argv) +{ + unsigned int qtype_bits = 0; + int ret; + char *err_token = 0; + + ret = parse_quota_types(argv[1], &qtype_bits, &err_token); + printf("parse_quota_types returns %d, %d\n", ret, qtype_bits); + if (err_token) + printf("err_token is %s\n", err_token); + return 0; +} +#endif |